Climate
CND features subtropics and monsoon marine
climate with 4 distinctive seasons. The
non-frost period lasts for 230 days every
year.
| Annual average temperature: |
15.8C (highest: 35C,
lowest: -3C) |
| Annual average relative
humidity: |
76% |
| Annual average rainfall: |
1076.2mm |
| Annual average atmospheric
pressure: |
1016hpa |
| Annual average wind
velocity: |
2.5m/s |
| Wind direction: |
southeasterly in summer
and northwesterly in the winter |
Hydrology
Based on the data by the Grand Canal Changzhou
Observing Station, annual average water
level in the past 50 years is 2.76m. Record-high
water level at flood time once within 100
years is 4.41m. Average surface water level
is 3.6-3.0m. Elevation of the area is 4.80-5.80m.
Geology
Geological zone: rock hill engineering
sub area, and alluvial lake and plain engineering
geological sub area. The soil remains to
the deposit of the 4th age except for the
surface soil which has been piled up due
to mankind activities. Geological feature:
high topography, hard soil, high-bearing
capacity
Soil loading capacity: 18-24t/m2
(no piling is required for buildings below
five stories)
Earthquake: earthquake-free region
Soil content: mainly clay
Air Quality
According to the test of Changzhou Environment
Monitoring and Testing Center in 2001,
the average air quality in CND was Grade
II based on the national standard.
Details are as follows:
|
Tested contents
|
Tested results
|
National
standard (Grade II)
|
|
SO2
|
0.028
|
0.15
|
|
NO2
|
0.046
|
0.12
|
|
CO
|
2.38
|
4
|
|
TSP
|
0.165
|
0.3
|
|
|
